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Application of Passive Residual Heat Removal System under Blackout Accident of Chinese Advanced Nuclear Power Plant

Jiang Guang-min

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Abstract

The passive residual heat removal(PRHR) system provides emergency core decay heat re-moval during the transient accidents such as blackout or loss of forced reactor coolant flow.Referenced to the design of AP1000,Chinese advanced nuclear power plant applied PRHR to mitigate the accident consequence only by the natural circulation.The blackout accident was calculated to identify the capacity of PRHR of Chinese advanced nuclear power plant by using RELAP5/MOD3 code.The analysis results show that PRHR of HLS can build the natural circulation and remove the core residual heat after the blackout accident suc-cessfully.

About this research paper

What this paper is about

The passive residual heat removal(PRHR) system provides emergency core decay heat re-moval during the transient accidents such as blackout or loss of forced reactor coolant flow.Referenced to the design of AP1000,Chinese advanced nuclear power plant applied PRHR to mitigate the accident consequence only by the natural circulation.The blackout accident was calculated to identify the capacity of PRHR of Chinese advanced nuclear power plant by using RELAP5/MOD3 code.The analysis results show that PRHR of HLS can build the natural circulation and remove the core residual heat after the blackout accident suc-cessfully.

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Available abstract

The passive residual heat removal(PRHR) system provides emergency core decay heat re-moval during the transient accidents such as blackout or loss of forced reactor coolant flow.Referenced to the design of AP1000,Chinese advanced nuclear power plant applied PRHR to mitigate the accident consequence only by the natural circulation.The blackout accident was calculated to identify the capacity of PRHR of Chinese advanced nuclear power plant by using RELAP5/MOD3 code.The analysis results show that PRHR of HLS can build the natural circulation and remove the core residual heat after the blackout accident suc-cessfully.

Key concepts: Blackout, Natural circulation, Nuclear power plant, Nuclear engineering, Residual, Decay heat, Loss-of-coolant accident, Environmental science

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